LG DK9753CEM Manuals

Manuals and User Guides for LG DK9753CEM. We have 1 LG DK9753CEM manual available for free PDF download: Service Manual

LG DK9753CEM Service Manual

LG DK9753CEM Service Manual (50 pages)

Brand: LG | Category: DVD Player | Size: 3.93 MB

Table of Contents

Section 1 Summary

3
Section 2 Cabinet & Main Chassis

7
Section 3 Electrical

11
- Electrical Troubleshooting Guide
  12
- Power Check Flow
  12
- System Operation Flow
  13
- Test & Debug Flow
  14
- KARAOKE Flow (KARAOKE MODEL ONLY)
  20
- Details and Waveforms on System Test and Debugging
  21
- SYSTEM 27Mhz CLOCK,RESET,FLASH R/W SIGNAL
  21
- Sdram Clock
  23
- Tray Open/Close Signal
  23
- Lens Control Related Signal(no Disc Condition)
  24
- Sled Control Related Signal(no Disc Condition)
  24
- Disc Type Judgement Waveform
  25
- Laser Power Control Related Signal(no Disc Condition)
  25
- Focus on Waveform
  27
- Spindle Control Waveform
  28
- TRACKING CONTROL RELATED SIGNAL(System Checking)
  29
- Mt1389 Audio Optical and Coaxial Output (Spdif)
  30
- Mt1389 Video Output Waveform
  30
- Mt1389 Audio Output to Audio Dac
  31
- Audio Output from Audio Dac
  32
- Block Diagrams
  33
- Overall Block Diagram
  33
- Power(Smps) Block Diagram
  34
- SERVO Block Diagram
  35
- MPEG & MEMORY Block Diagram
  36
- VIDEO & AUDIO Block Diagram
  37
- KARAOKE Block Diagram(KARAOKE MODEL ONLY)
  38
- Circuit Diagrams
  39
- Power(Smps) Circuit DIAGRAM
  39
- AV/JACK Circuit DIAGRAM
  40
- SYSTEM Circuit DIAGRAM
  41
- DRIVER Circuit DIAGRAM
  42
- TIMER Circuit DIAGRAM
  43
- SCART Circuit DIAGRAM
  45
- Circuit Voltage Chart
  46
- Main P.C.board
  47
- Printed Circuit Diagrams
  47
- Key P.C.board
  48
- Timer P.C.board
  48
- Karaoke P.C.board
  49
- Smps P.C.board
  49

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